Home / 100,722.10-150,710.45-60,764.25

Finding the Fourth Proportional to 100,722.10, 150,710.45 and 60,764.25

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Solution

The fourth proportional to 100,722.10, 150,710.45 and 60,764.25 is: 90,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,722.10 : 150,710.45 = 60,764.25 : x
  2. Step 2: Convert to fraction form
    100,722.10/150,710.45 = 60,764.25/x
  3. Step 3: Cross multiply
    100,722.10x = 150,710.45 × 60,764.25
  4. Step 4: Simplify right side
    100,722.10x = 9,157,806,707.86
  5. Step 5: Solve for x
    x = 9,157,806,707.86/100,722.10
  6. Step 6: Final answer
    x = 90,921.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.